[RE-wrenches] Inverter back feed liability

[gary easton]

That was basically my reply and we're not even talking about battery back
up inverters only direct grid tie.   He just persisted with the what if.
Is it actually "impossible" for a direct grid tied inverter to back feed
any voltage to a dead grid ?

On Sunday, November 22, 2015, <toddcory at finestplanet.com> wrote:

> worst case scenario, a battery based inverter system trying to power the
> grid would immediately shutdown on overload as the "infinite load" of the
> grid would look like a dead short.
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> also, all utility workers treat lines as "live" and routinely short out
> feeders before working on them... so the likelihood of this being an issue
> is extremely tiny.
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> someone else would have to address the liability issue, but i imagine this
> is covered in the utility's net metering contract.
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> todd
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> On Sunday, November 22, 2015 1:19pm, "gary easton" <gary at arp-solar.com
> <javascript:_e(%7B%7D,'cvml','gary at arp-solar.com');>> said:
>
> Hello Wrenches,
> I have an electrical engineer customer that asked me a "what if" that I
> had not heard before. If an inverter somehow back feeds the grid during an
> outage and damages something or hurts someone who is liable?
> --
> Gary Easton
> Appalachian Renewable Power
> Stewart, Ohio 45778
> NABCEP Certified Solar PV
>
> T: 740-277-8498
>  www.arp-solar.com
> “First they ignore you. Then they laugh at you. Then they fight you. Then
> you win.”
> ~Ghandi
>
>
>
> Sent from Finest Planet WebMail.
>


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